Top Free VoIP Providers - Page 2

How Many VoIP Providers Products Does G2 Track?

Total Products under this Category: 488

Category Stats (Sep 2026)

  • Average Rating: 4.39/5 (↑0.01 vs Aug 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: VoiceStack (+21.43%) - Among all products in this category, VoiceStack recorded the largest rating increase compared to last month

Last updated: September 30, 2026

How Does G2 Rank VoIP Providers Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 61,800+ Authentic Reviews
  • 488+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for VoIP Providers

G2 Grid® for VoIP Providers plotting products by satisfaction and market presence

Highlighted products: RingEX, Nextiva, Zoom Phone, Quo, Dialpad Connect, Webex Calling, Webex Suite, and Aircall.

Underlying data: [Grid® JSON](https://www.g2.com/categories/voip-providers/grids.json?focus%5B%5D=ringex&focus%5B%5D=nextiva&focus%5B%5D=zoom-zoom-phone&focus%5B%5D=quo-quo&focus%5B%5D=dialpad-connect&focus%5B%5D=webex-calling&focus%5B%5D=cisco-webex-suite&focus%5B%5D=aircall)

MightyCall

MightyCall combines professional call center software with user-friendly features designed for small and medium-sized businesses. Our cloud-based system requires no hardware, providing powerful functionality with simplicity. With the best UI in the industry, MightyCall enables SMBs to manage their setup easily without losing the quality and range of enterprise-level features. Set up - Enjoy the simple setup process with our intuitive flowchart. Communicate - Manage the flow of both incoming and
outbound calls and increase your team’s
productivity. Collaborate - Track performance and route calls to your team members based on their roles and knowledge. Reach out - Reach more targeted contacts with the auto dialer and improve engagement rates. Supervise - Train and supervise agents in real-time
and obtain precise performance data. Experience our top-rated customer support and free live onboarding sessions designed to maximize your system's potential in the shortest amount of time.

Average Rating: 4.4/5.0

Total Reviews: 344

G2 Deal: Get MightyCall’s Business Plan with 50% off for 3 months

Mightycall provides everything you need from a business phone without all the fluff. Get MightyCall’s Business Plan with 50% off for 3 months when buy via G2.

Price: ~~$20/user/month~~ → $10/user/month

View this exclusive G2 deal

How Do G2 Users Rate MightyCall?

  • Has the product been a good partner in doing business?: 9.1/10 (Category avg: 8.8/10)
  • Phone Calls: 9.2/10 (Category avg: 9.1/10)
  • VOiP Number: 9.2/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 8.6/10 (Category avg: 8.6/10)

Who Is the Company Behind MightyCall?

  • Seller: MightyCall
  • Year Founded: 2013
  • HQ Location: San Francisco Bay Area, CA
  • Twitter: @MightyCall
    1,499 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    50 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Owner, CEO
  • Top Industries: Marketing and Advertising, Real Estate
  • Company Size: 90% Small, 7% Medium

What Do G2 Reviewers Say About MightyCall?

AI-generated summary from verified user reviews

Pros
  • Users find MightyCall's ease of use outstanding, thanks to its intuitive interface and efficient features.
  • Users praise the quick and effective customer support from MightyCall, resolving issues promptly and efficiently.
  • Users find MightyCall's customer support very helpful, promptly addressing queries and troubleshooting issues effectively.
  • Users commend the outstanding customer support of MightyCall, praising quick responses and knowledgeable assistance during use.
  • Users commend the reliability of MightyCall, highlighting its impressive call quality and seamless integration across devices.
Cons
  • Users report call issues with MightyCall, affecting connectivity and causing potential losses in business opportunities.
  • Users experience number issues with MightyCall, including SMS limits and call handling problems that hinder efficiency.
  • Users find the IVR setup complex and experience confusion with tools, affecting overall usability.
  • Users experience connection issues with MightyCall, leading to dropped calls and inconsistent text delivery.
  • Users are disappointed by missing features, particularly the lack of call recording and issues with the call journal.

What Are Recent G2 Reviews of MightyCall?

What Are G2 Users Discussing About MightyCall?

Talkroute

Talkroute is a cloud based business phone system designed to help small and midsize businesses sound professional, stay connected, and manage calls from anywhere. Built for modern, distributed teams, Talkroute replaces traditional phone systems with a flexible virtual phone solution that works seamlessly across desktop, mobile, and web without requiring specialized hardware. With Talkroute, businesses can create a polished phone presence using features like local, toll free, and vanity phone numbers, multi level auto attendants, call routing, call forwarding, voicemail, call recording, and business SMS. Calls can be answered on smartphones, computers, or existing desk phones, allowing teams to work remotely or on the go while delivering a consistent and professional customer experience. Talkroute is especially well suited for service based businesses, startups, agencies, healthcare practices, legal firms, and growing companies that need a reliable VoIP phone system without enterprise level complexity or cost. Setup is fast, configuration is intuitive, and updates can be made instantly through an easy to use web dashboard with no IT team required. Unlike many UCaaS platforms that bundle unnecessary features or lock customers into rigid plans, Talkroute focuses on simplicity, transparency, and value. Pricing is straightforward, with no long term contracts, no per user confusion, and no surprise fees, making it an ideal choice for small businesses that want predictable costs as they grow. Talkroute also integrates smoothly into existing workflows. Teams can manage calls alongside email, CRM tools, and other business software, while features like call routing rules and business hours help ensure customers always reach the right person at the right time. Call analytics and reporting provide insight into call volume, performance, and customer behavior. Backed by responsive, US based customer support, Talkroute is known for hands on onboarding and real human assistance when it is needed. Whether a business is upgrading from a personal phone number or replacing a legacy PBX system, Talkroute delivers a modern virtual phone system that is dependable, easy to use, and built specifically for small business needs.

Average Rating: 4.6/5.0

Total Reviews: 44

How Do G2 Users Rate Talkroute?

  • Has the product been a good partner in doing business?: 8.8/10 (Category avg: 8.8/10)
  • Phone Calls: 8.8/10 (Category avg: 9.1/10)
  • VOiP Number: 8.9/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Talkroute?

  • Seller: Talkroute
  • Year Founded: 2013
  • HQ Location: Chicago, IL
  • Twitter: @Talkroute
    376 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    11 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Information Technology and Services, Real Estate
  • Company Size: 100% Small, 7% Medium

What Do G2 Reviewers Say About Talkroute?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the ease of use of Talkroute, finding it streamlined and just right for their needs.
  • Users value the easy setup of Talkroute, enabling quick configuration and seamless operation for remote staff.
  • Users love the quick setup of Talkroute, making call management seamless and efficient from anywhere.
  • Users praise the responsive and knowledgeable customer support of Talkroute, ensuring quick and helpful assistance whenever needed.
  • Users value the streamlined essential features of Talkroute, providing only what they need without unnecessary extras.
Cons
  • Users find the limited customization options frustrating, particularly for call flows, reporting, and hold music.
  • Users often face performance issues with Talkroute, including slow loading times and lagging notifications.
  • Users find the reporting insufficient and desire more detailed options for call tracking and analysis.
  • Users note the inadequate reporting in Talkroute, feeling it lacks detail but is manageable overall.
  • Users desire more integration options with CRMs and other tools to enhance the functionality of Talkroute.

What Are Recent G2 Reviews of Talkroute?

What Are G2 Users Discussing About Talkroute?

Bandwidth

With Bandwidth, enterprises deliver exceptional communication experiences everywhere. We enable you to integrate voice, messaging, and emergency services into your communications the way you want. Offering the simplicity of one command center, the Bandwidth platform enables a fully customized employee and customer communications stack with: - Dynamic communication APIs - The most direct-to-carrier integrations in the world - An owned and operated network that reaches 65+ countries - Automation to manage it all and get call quality and message deliverability insights via the Bandwidth app You scale with reliability, compliance expertise, and award-winning support.

Average Rating: 4.4/5.0

Total Reviews: 456

How Do G2 Users Rate Bandwidth?

  • Has the product been a good partner in doing business?: 9.0/10 (Category avg: 8.8/10)
  • Phone Calls: 9.1/10 (Category avg: 9.1/10)
  • VOiP Number: 9.3/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 8.9/10 (Category avg: 8.6/10)

Who Is the Company Behind Bandwidth?

  • Seller: Bandwidth
  • Company Website:
  • Year Founded: 1999
  • HQ Location: Raleigh, NC
  • Twitter: @bandwidth
    10,453 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,243 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: CEO, Owner
  • Top Industries: Telecommunications, Information Technology and Services
  • Company Size: 44% Small, 36% Medium

What Do G2 Reviewers Say About Bandwidth?

AI-generated summary from verified user reviews

Pros
  • Users find that the ease of use in Bandwidth's portal makes porting straightforward and user-friendly.
  • Users commend Bandwidth for its excellent customer support and responsive account management, enhancing overall experience.
  • Users praise the excellent customer service of Bandwidth, highlighting the helpfulness and responsiveness of the support team.
  • Users enjoy the high reliability of Bandwidth, with a dependable connection and excellent call quality for business needs.
  • Users enjoy the navigation ease of Bandwidth's portal, simplifying call tracking and account management effectively.
Cons
  • Users find the complex processes for support and transitions to OAuth challenging and cumbersome to navigate.
  • Users express frustration with poor customer service, citing difficulties in ticket management and lack of responsive support.
  • Users face messaging issues with limited logs and formatting, affecting ticket management and overall usability.
  • Users express frustration with time constraints due to restrictive password updates and delayed support responses impacting their experience.
  • Users experience delays in support response times, making problem resolution frustrating and less convenient.

What Are Recent G2 Reviews of Bandwidth?

What Are G2 Users Discussing About Bandwidth?

AI can help you find the answers. G2 helps you trust them.

Connect G2 to Claude or ChatGPT for answers grounded in G2's trusted reviews, comparisons, and pricing from real user insights.

How it works

Ooma Office

Ooma Office is an award-winning business communication solution designed to grow with your business. Whether you have 2 or 200 employees, Ooma delivers flexible, scalable voice and collaboration tools that are easy to manage. Ooma Office customers save an average of 50% per line compared to competing services. With unlimited line expansion, a simple do-it-yourself setup, and no contracts or long-term commitments, Ooma Office VoIP phone service makes it easy to scale at your own pace. Ooma offers 100+ powerful business phone features to support a seamless communications experience. Capabilities like AI Transcriptions, Virtual Receptionist, videoconferencing, and CRM integrations help teams collaborate more effectively and deliver exceptional customer experiences.

Average Rating: 4.5/5.0

Total Reviews: 130

How Do G2 Users Rate Ooma Office?

  • Has the product been a good partner in doing business?: 9.1/10 (Category avg: 8.8/10)
  • Phone Calls: 9.2/10 (Category avg: 9.1/10)
  • VOiP Number: 9.4/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 9.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Ooma Office?

  • Seller: Ooma, Inc.
  • Company Website:
  • Year Founded: 2004
  • HQ Location: Sunnyvale, California
  • Twitter: @Ooma
    8,935 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    673 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Owner
  • Top Industries: Insurance, Construction
  • Company Size: 99% Small

What Do G2 Reviewers Say About Ooma Office?

AI-generated summary from verified user reviews

Pros
  • Users value the easy setup of Ooma Office, enhancing their overall experience and allowing quick implementation.
  • Users appreciate the versatile features of Ooma Office, significantly enhancing efficiency and customer communication.
  • Users praise Ooma Office for its exceptional customer service, enhancing communication and efficiency for their businesses.
  • Users praise the intuitive ease of use of Ooma Office, enhancing remote work and overall efficiency.
Cons
  • Users report frequent customer service issues, making it difficult to reach support when problems arise.
  • Users find the high cost of Ooma Office to be a drawback compared to simpler alternatives.
  • Users note Ooma Office's high pricing compared to more basic services, impacting affordability for some businesses.

What Are Recent G2 Reviews of Ooma Office?

What Are G2 Users Discussing About Ooma Office?

JustCall

JustCall is the only AI-powered business communication platform that brings calls, texts, email, and WhatsApp together in one place. It helps customer-facing teams work more efficiently, respond faster, and connect better with prospects and customers. 6,000+ businesses worldwide use JustCall to: - Manage all customer conversations from a single platform - Automate routine tasks and workflows - Get real-time AI insights to improve conversations - Ensure 24/7 coverage with inbound AI Voice Agents (outbound support coming soon) Key features: - Calling: Global phone numbers, inbound/outbound calling, smart routing, auto/predictive/power dialers - Messaging: SMS & MMS, workflows, bots, shared WhatsApp inbox, multi-level IVR, shared email inbox - AI tools: Real-time agent assist, AI coaching, sentiment analysis, call scoring, live monitoring, SMS Copilot, inbound AI Voice Agent - Integrations & collaboration: 100+ CRM integrations, collaborative team workspace

Average Rating: 4.3/5.0

Total Reviews: 2,365

How Do G2 Users Rate JustCall?

  • Has the product been a good partner in doing business?: 8.6/10 (Category avg: 8.8/10)
  • Phone Calls: 9.0/10 (Category avg: 9.1/10)
  • VOiP Number: 8.8/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 7.6/10 (Category avg: 8.6/10)

Who Is the Company Behind JustCall?

  • Seller: Saas Labs
  • Company Website:
  • Year Founded: 2016
  • HQ Location: Palo Alto, California
  • Twitter: @saas_labs
    319 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    416 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: CEO, Account Executive
  • Top Industries: Computer Software, Financial Services
  • Company Size: 59% Small, 31% Medium

What Do G2 Reviewers Say About JustCall?

AI-generated summary from verified user reviews

Pros
  • Users commend the ease of use of JustCall, noting its simple setup and user-friendly interface.
  • Users appreciate the comprehensive capabilities of JustCall, enhancing customer communications and improving sales conversions significantly.
  • Users highly value the comprehensive capabilities of JustCall, enhancing customer communications and boosting sales efficiency.
  • Users value the seamless call experience of JustCall, enhancing productivity and enabling efficient call management.
  • Users highly value the comprehensive calling features of JustCall, enhancing customer communications and boosting sales efficiency.
Cons
  • Users experience call issues with JustCall, including missed calls and delays that disrupt communication effectiveness.
  • Users report issues with call visibility, often hearing calls that don't appear on their JustCall interface.
  • Users experience connection issues with JustCall, often unable to see incoming calls despite hearing them.
  • Users experience poor call quality, with issues like call drops and missed calls affecting communication significantly.
  • Users often face slow loading issues with JustCall, experiencing significant lag during calls and app performance.

What Are Recent G2 Reviews of JustCall?

SalesCaptain

SalesCaptain is an all-in-one communication platform with a chat based AI agent builder, designed for modern businesses. It unifies phone calls, texting, webchat, and social media messaging into a single collaborative inbox. With SalesCaptain, you can easily create AI-powered phone and text agents to handle calls, answer queries, route leads, filter spam, and automate tasks — all without any technical expertise. SalesCaptain also includes a suite of built-in business apps for managing reviews, appointments, lead stages, team leaderboards, and more — giving you everything you need to streamline customer engagement and team performance in one platform. Build drag-and-drop automations, connect with 50+ popular platforms like HubSpot, Booker, Clio, and ServiceFusion, or go deeper with API, webhooks, and Zapier support. Whether you're a startup or a multi-location enterprise, SalesCaptain helps you scale communication and customer engagement with ease.

Average Rating: 4.4/5.0

Total Reviews: 290

How Do G2 Users Rate SalesCaptain?

  • Has the product been a good partner in doing business?: 9.4/10 (Category avg: 8.8/10)

Who Is the Company Behind SalesCaptain?

  • Seller: SalesCaptain
  • Year Founded: 2020
  • HQ Location: New York, US
  • Twitter: @SalesCaptainInc
    157 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    39 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Operations Manager, Marketing Manager
  • Top Industries: Retail, Marketing and Advertising
  • Company Size: 69% Small, 30% Medium

What Do G2 Reviewers Say About SalesCaptain?

AI-generated summary from verified user reviews

Pros
  • Users love the automation features of SalesCaptain, enhancing workflow and ensuring no customer inquiries go unanswered.
  • Users value the clear and consistent communication facilitated by SalesCaptain, enhancing the client experience and professionalism.
  • Users appreciate the ease of use of SalesCaptain, enabling organized communication and efficient management of customer interactions.
  • Users appreciate the immediate response capability of SalesCaptain, effectively managing real-time customer interactions without missing opportunities.
  • Users appreciate the clear and consistent communication SalesCaptain provides, enhancing client interactions and trust.
Cons
  • Users note a steep learning curve in mastering SalesCaptain's features and initial setup, requiring time and adjustment.
  • Users find the onboarding and setup time-consuming, especially for larger teams and new users to the platform.
  • Users find the limited reporting in SalesCaptain cumbersome, wishing for better insights and customization options.
  • Users find the limited customization options in SalesCaptain frustrating, hindering their ability to tailor the tool to their workflow.
  • Users experience a steep learning curve due to the complex setup and advanced configurations required initially.

What Are Recent G2 Reviews of SalesCaptain?

VirtualPBX

We built the very first cloud phone system back in 1997. Today, we’re still keeping it simple for small businesses: fast, reliable calling, no contracts, and no hidden fees. Get every single feature on one smarter plan. Stay connected to your team and customers from anywhere. Need an extra set of hands? Smart AI tools answer calls and handle routine tasks so you can do more with less. And our real, US-based support is always here to help.

Average Rating: 4.2/5.0

Total Reviews: 35

How Do G2 Users Rate VirtualPBX?

  • Has the product been a good partner in doing business?: 7.9/10 (Category avg: 8.8/10)
  • Phone Calls: 8.7/10 (Category avg: 9.1/10)
  • VOiP Number: 9.6/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 8.2/10 (Category avg: 8.6/10)

Who Is the Company Behind VirtualPBX?

  • Seller: VirtualPBX
  • Year Founded: 1997
  • HQ Location: San Jose, CA
  • Twitter: @VirtualPBX
    5,359 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    31 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 97% Small, 3% Medium

What Do G2 Reviewers Say About VirtualPBX?

AI-generated summary from verified user reviews

Pros
  • Customers commend the excellent customer support of VirtualPBX, highlighting professionalism and effective assistance throughout their experience.
  • Users commend the excellent customer service of VirtualPBX, highlighting their professionalism and helpfulness throughout the process.
  • Users commend the helpful customer service from VirtualPBX, highlighting their professionalism and dedication.
  • Users appreciate the excellent customer service of VirtualPBX, highlighting their helpful and thorough support.
  • Users commend the efficiency of VirtualPBX, noting quick setup and excellent support from the team.

What Are Recent G2 Reviews of VirtualPBX?

What Are G2 Users Discussing About VirtualPBX?

Softphone.Pro

VoIP phone app designed for those who handle hundreds calls a day: call center agents, sales pros and support teams. You can use Softphone.Pro with your existing VoIP provider, cloud PBX, Asterisk, FreePBX, Elastix, Issabel PBX and any other SIP server. Best for small and medium teams of 5-50 agents. Built-in Zoho, Hubspot, Pipedrive and Zendesk integrations. Instant click-to-call and screen pop-up integration with 3-rd party CRM and Helpdesk software. No developers needed! Real-time supervisor dashboard, online reporting, call and screen recording.

Average Rating: 4.6/5.0

Total Reviews: 65

How Do G2 Users Rate Softphone.Pro?

  • Has the product been a good partner in doing business?: 9.0/10 (Category avg: 8.8/10)
  • Phone Calls: 9.6/10 (Category avg: 9.1/10)
  • VOiP Number: 8.3/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 9.2/10 (Category avg: 8.6/10)

Who Is the Company Behind Softphone.Pro?

Who Uses This Product?

  • Who Uses This: CEO
  • Top Industries: Telecommunications, Computer Software
  • Company Size: 82% Small, 17% Medium

What Do G2 Reviewers Say About Softphone.Pro?

AI-generated summary from verified user reviews

Pros
  • Users find easy integration with Softphone.Pro highly beneficial for daily operations and productivity.
  • Users praise the ease of use of Softphone.Pro, appreciating its intuitive interface and seamless integration with CRM systems.
  • Users love the easy setup of Softphone.Pro, appreciating its intuitive interface and quick configuration for teams.
  • Users find the easy implementation of Softphone.Pro effortless, contributing to a smooth overall experience.
  • Users appreciate the intuitive interface of Softphone.Pro, making it easy to configure and use for teams.
Cons
  • Users express concerns over the lack of proactive customer service from Softphone.Pro's support team in issue resolution.
  • Users find the high cost of Softphone.Pro to be a significant drawback despite overall satisfaction with the product.
  • Users mention the relatively high price of Softphone.Pro as a drawback despite liking the product overall.
  • Users report serious performance issues with window scaling and dragging, impacting usability and functionality.
  • Users frequently experience time constraints due to slow support responses and the absence of a mobile version.

What Are Recent G2 Reviews of Softphone.Pro?

Zadarma Cloud PBX

Zadarma provides a comprehensive voice telecommunication solution for companies of all sizes. From virtual numbers in over 110 countries and free Cloud PBX to free CRM, AI voice agent, Call Tracking and various website widgets - you can fully establish your business phone system in a matter of a few minutes and at attractive rates.

Average Rating: 4.6/5.0

Total Reviews: 30

How Do G2 Users Rate Zadarma Cloud PBX?

  • Has the product been a good partner in doing business?: 5.4/10 (Category avg: 8.8/10)
  • Phone Calls: 8.0/10 (Category avg: 9.1/10)
  • VOiP Number: 8.5/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 6.2/10 (Category avg: 8.6/10)

Who Is the Company Behind Zadarma Cloud PBX?

  • Seller: Zadarma
  • Year Founded: 2006
  • HQ Location: London, England
  • Twitter: @ZadarmaHQ
    1,142 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    43 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Information Technology and Services
  • Company Size: 83% Small, 17% Medium

What Do G2 Reviewers Say About Zadarma Cloud PBX?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the seamless integration of Zadarma Cloud PBX, enhancing collaboration and optimizing telephony systems effortlessly.
  • Users value the easy integration of Zadarma Cloud PBX, enhancing workflows and improving communication effortlessly.
  • Users find Zadarma Cloud PBX easy to use, appreciating its straightforward setup and consistent performance in routing calls.
  • Users value the easy setup of Zadarma Cloud PBX, enabling quick configurations for efficient support desk operations.
  • Users value the reliability of Zadarma Cloud PBX, praising its consistent performance and seamless integration with Salesforce.
Cons
  • Users experience call issues with Zadarma Cloud PBX, facing challenges in web calling and reliability on desktop apps.
  • Users find the platform limitations can restrict flexibility, especially for complex voice application needs.
  • Users face browser compatibility issues with Zadarma, leading to difficulties in web calling and requiring standardization on one browser.
  • Users find the complex processes of Zadarma Cloud PBX to be limiting and overly structured for advanced needs.
  • Users often face connection issues with Zadarma Cloud PBX, impacting their overall communication experience significantly.

What Are Recent G2 Reviews of Zadarma Cloud PBX?

What Are G2 Users Discussing About Zadarma Cloud PBX?

net2phone

net2phone is an AI-powered business communication solutions provider offering Unified Communications (UCaaS), contact center (CCaaS), AI agent, and performance coaching software for businesses focused on customer experience. Backed by 30+ years of expertise and trusted by 500,000+ users, net2phone helps businesses eliminate communication friction so every conversation drives retention and growth. Communication breaks down when channels are scattered, tools don't talk to each other, and information gets buried across platforms. net2phone solves this with a connected business VoIP and unified communications platform built for teams that can't afford dropped context or slow resolution times. Unite: Unified Communications unifies voice, messaging, video, and chat in a single place. Features include call and video recording with transcription, sentiment analysis on voice calls, automated action-item tracking, and AI-generated follow-up emails — reducing the tool-switching that slows teams down. uContact: Omnichannel Contact Center gives high-volume sales and support teams the automation, AI-driven routing, and real-time dashboards needed to deliver consistent omnichannel customer experiences at scale. Coach AI: Performance Intelligence analyzes 100% of voice, video, and text interactions, giving managers full visibility into team performance with sentiment analysis, call summaries, and targeted coaching recommendations by user or department. AI Agent: Intelligent Task Automation handles inquiries and completes workflows — answering questions, resolving support cases, scheduling, and managing returns — across phone and chat, with support for 30+ languages and seamless handoff to human agents. Every net2phone solution connects to the tools businesses already use, with a built-in drag-and-drop workflow builder that lets teams automate processes across the entire suite without writing code. Rather than just deploying software, net2phone provides expert guidance at every step — from workflow design to system integration to ongoing optimization, that guidance is backed by enterprise-grade security across every solution. All of this ensures unified communications and contact center technology actually deliver measurable retention and growth.

Average Rating: 4.4/5.0

Total Reviews: 186

How Do G2 Users Rate net2phone?

  • Has the product been a good partner in doing business?: 8.8/10 (Category avg: 8.8/10)
  • Phone Calls: 8.9/10 (Category avg: 9.1/10)
  • VOiP Number: 9.2/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 9.0/10 (Category avg: 8.6/10)

Who Is the Company Behind net2phone?

  • Seller: net2phone
  • Company Website:
  • Year Founded: 1996
  • HQ Location: Newark, NJ
  • Twitter: @net2phone
    1,900 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    308 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Office Manager, Owner
  • Top Industries: Construction, Information Technology and Services
  • Company Size: 80% Small, 18% Medium

What Do G2 Reviewers Say About net2phone?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the exceptional customer service from Net2Phone, highlighting their prompt and knowledgeable support team.
  • Users find net2phone to offer exceptional ease of use, simplifying call tracking and management seamlessly.
  • Users commend the affordability of net2phone, highlighting significant cost savings compared to competitors.
  • Users praise the responsive customer support of Net2Phone, consistently receiving eager help with their issues.
  • Users highlight the responsive and helpful customer service of net2phone, enhancing their overall experience significantly.
Cons
  • Users experience connection issues that hinder functionality, with limited support for integrating with custom setups.
  • Users report significant issues with customer support, highlighting ignored complaints and poor communication regarding billing and equipment.
  • Users find the net2phone interface to be not intuitive, complicating basic functions and features usage.
  • Users report long wait times for support, leading to frustration and unresolved issues during critical setup moments.
  • Users report significant issues with poor customer support, including unaddressed complaints and inadequate assistance during setup.

What Are Recent G2 Reviews of net2phone?

What Are G2 Users Discussing About net2phone?

Asterisk

Build Voice, Video and Text Applications Easily With Asterisk, The World's Most Widely Adopted Open Source Communications Software Development Framework. Asterisk is an open source framework for developing state-of-the-art communications applications. Asterisk includes hundreds of pre-built components that handle the complex, low-level details of voice, video, and text communications. Developers use Asterisk to create custom communications solutions and to build innovative communications products. Discover how Asterisk can power your next-generation communications deployment.

Average Rating: 4.6/5.0

Total Reviews: 52

How Do G2 Users Rate Asterisk?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.8/10)
  • Phone Calls: 9.5/10 (Category avg: 9.1/10)
  • VOiP Number: 9.0/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 9.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Asterisk?

  • Seller: Sangoma
  • Year Founded: 1984
  • HQ Location: Markham, ON
  • Twitter: @Sangoma
    6,562 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    609 employees on LinkedIn®
  • Ownership: TSX-V:STC

Who Uses This Product?

  • Top Industries: Telecommunications, Information Technology and Services
  • Company Size: 47% Medium, 36% Small

What Do G2 Reviewers Say About Asterisk?

AI-generated summary from verified user reviews

Pros
  • Users value the customization capabilities of Asterisk, enhancing their telephony systems to meet specific needs effortlessly.
  • Users find Asterisk's easy integration to be a solid foundation for every PBX system.
  • Users value the easy integrations of Asterisk, which serve as a solid foundation for any PBX system.
  • Users value the easy integration of Asterisk, making it a solid foundation for every PBX solution.
  • Users value the time efficiency of Asterisk, enhancing operational workflows through automation and optimized call routing.
Cons
  • Users find Asterisk requires complex processes and technical knowledge, making initial configuration a challenging task.
  • Users find customer service limited and the system complex, requiring significant technical knowledge for administration.
  • Users find the difficult interface of Asterisk requires technical knowledge and offers limited support for administration.
  • Users find difficult settings management in Asterisk, requiring technical knowledge and leading to limited support challenges.
  • Users find the multiple login requirements for Asterisk dialer cumbersome and inconvenient alongside CRM access.

What Are Recent G2 Reviews of Asterisk?

What Are G2 Users Discussing About Asterisk?

HighLevel

HighLevel is an all-in-one Sales & Marketing CRM currently powering hundreds of thousands of businesses worldwide. Functionality includes CRM, Email, 2-way SMS, Consolidated SMS/Messenger/Instagram DM/Whatsapp/GMB Chat, Outbound Calling, Call Tracking, Call Recording, Power Dialer, Form Builder, Survey Builder, Funnel Builder, Website Builder, Online Scheduling, Workflow Automation, Social Media Scheduling, Proposals, Estimates, Invoicing, Reporting, Webhooks, and more! Flat pricing, unlimited sub-accounts for agencies managing clients that can be cloned to speed up setups, and even white-label! Start with a 14 day free trial!

Average Rating: 4.6/5.0

Total Reviews: 636

How Do G2 Users Rate HighLevel?

  • Has the product been a good partner in doing business?: 8.5/10 (Category avg: 8.8/10)
  • Phone Calls: 8.0/10 (Category avg: 9.1/10)
  • VOiP Number: 8.0/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind HighLevel?

  • Seller: HighLevel
  • Company Website:
  • Year Founded: 2018
  • HQ Location: Dallas, Texas
  • Twitter: @gohighlevel
    8,862 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    2,569 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Owner, CEO
  • Top Industries: Marketing and Advertising, Consulting
  • Company Size: 64% Small, 3% Medium

What Do G2 Reviewers Say About HighLevel?

AI-generated summary from verified user reviews

Pros
  • Users enjoy the flexibility and comprehensive features of HighLevel, finding it easy to set up and integrate.
  • Users appreciate the all-in-one functionality of HighLevel, enhancing efficiency in marketing, sales, and client management.
  • Users praise the excellent customer support of HighLevel, appreciating their responsiveness and active feature requests.
  • Users value the extensive feature set of Go HighLevel, appreciating its depth and constant innovation in marketing tools.
  • Users value the intuitive automation setup in HighLevel, enhancing their workflow and client management effectively.
Cons
  • Users find the steep learning curve of HighLevel challenging, complicating their ability to leverage its extensive features.
  • Users desire more missing features in HighLevel, impacting functionality like email marketing and live streaming capabilities.
  • Users face a steep learning curve with HighLevel, requiring significant effort to master its numerous features and updates.
  • Users find HighLevel to be not intuitive, often feeling overwhelmed by its complexity and learning curve.
  • Users express concern over poor customer support, finding the team uninformed and responses often vague.

What Are Recent G2 Reviews of HighLevel?

What Are G2 Users Discussing About HighLevel?

Cloud Softphone

Cloud Softphone is a white label UCaaS Platform powered by Acrobits, that allows CSPs to create new bundles for their customers and saves them millions that would have been wasted on development costs. Our platform has been helping CSPs like BroadSoft, Cisco, Portaone, and 2600Hz to create the ideal customer experience since the launch of the first iPhone in 2007. There are many reasons why CSPs throughout the world trust Cloud Softphone and the Acrobits SDK for their mobile and desktop app needs. We have successfully deployed over 140 million endpoints since our inception, for clients in the telecommunications, hospitality, healthcare, and reseller industries. Cloud Softphone’s white-label bundles make it easy for you to keep up in the hybrid workplace. -Add and remove features when you need them. You only pay for what you use. -Boost productivity and collaboration with a powerful communications tool that does it all. -Make voice & video calls, send texts, share files, and more—all within Cloud Softphone. -Improve security by using the same encryption stack used by the European Parliament. -Design, build, provision, and deploy an enterprise-grade UCaaS app in less than 24 hours. -Maintain feature parity with access to 100+ premium features.

Average Rating: 4.8/5.0

Total Reviews: 16

How Do G2 Users Rate Cloud Softphone?

  • Has the product been a good partner in doing business?: 9.3/10 (Category avg: 8.8/10)
  • Phone Calls: 9.8/10 (Category avg: 9.1/10)
  • VOiP Number: 8.7/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 9.5/10 (Category avg: 8.6/10)

Who Is the Company Behind Cloud Softphone?

  • Seller: Acrobits
  • Year Founded: 2008
  • HQ Location: Praha, Praha 1
  • Twitter: @acrobits
    586 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    29 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Telecommunications
  • Company Size: 44% Medium, 38% Small

What Are Recent G2 Reviews of Cloud Softphone?

What Are G2 Users Discussing About Cloud Softphone?

Kixie PowerCall & SMS

Kixie is a cutting-edge AI revenue communications platform designed to supercharge your team’s calling and texting capabilities. Kixie leverages AI and automation to streamline outreach, maximize efficiency, and drive real revenue growth — all while keeping the human element in every conversation. Seamless CRM Integration: Kixie integrates natively with all major CRMs; including HubSpot, Pipedrive, Salesforce, HighLevel, Zoho, and many more; with effortless setup in seconds. Its intuitive design and powerful features help revenue teams boost efficiency, close deals faster, and scale communication effortlessly—all from a single platform. Outbound Sales: Connect with More Leads, Faster Kixie empowers Business Development and Outbound Sales teams with tools designed to increase connection rates by up to 400%. With features like: ✔️ AI-Powered Local Presence Dialing to reach prospects with a familiar area code ✔️ Multi-Line PowerDialer with AI Human Voice Detection for smarter calling ✔️ Spam Risk Mitigation to improve answer rates Your team can focus on what matters—closing more deals. Marketing Teams: Convert More Leads, Automatically Speed-to-lead is everything. With automated calling and texting, Kixie ensures your marketing team engages leads instantly and nurtures them at scale. Personalize outreach without losing efficiency—so your team can focus on driving conversions, not manual follow-ups. Inbound Sales & Customer Success: Handle More Calls with Less Effort Managing high inbound call volumes? Kixie makes it easy to stay organized, responsive, and efficient with: 📞 CRM-Based Call Routing to connect customers with the right rep 📩 Group SMS Inboxes & Automated Responses for streamlined communication 📊 Call Queues to keep inbound leads engaged With Kixie, your Inbound Sales & CS teams can triple productivity while maintaining a personal touch. RevOps & Leadership: Optimize, Coach, and Scale Sales leaders get real-time insights to track performance and optimize strategy. With AI-driven Conversation Intelligence, call analytics, and live coaching tools, Kixie gives managers everything they need to build high-performing teams and drive revenue growth. 🚀 Ready to supercharge your team’s outreach? Experience the power of Kixie and try our advanced calling and texting system for free today.

Average Rating: 4.8/5.0

Total Reviews: 853

How Do G2 Users Rate Kixie PowerCall & SMS?

  • Has the product been a good partner in doing business?: 9.2/10 (Category avg: 8.8/10)
  • Phone Calls: 9.8/10 (Category avg: 9.1/10)
  • VOiP Number: 9.8/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 9.6/10 (Category avg: 8.6/10)

Who Is the Company Behind Kixie PowerCall & SMS?

  • Seller: Kixie
  • Company Website:
  • Year Founded: 2013
  • HQ Location: Los Angeles, CA
  • LinkedIn® Page: www.linkedin.com
    65 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: CEO, Account Executive
  • Top Industries: Financial Services, Marketing and Advertising
  • Company Size: 83% Small, 16% Medium

What Do G2 Reviewers Say About Kixie PowerCall & SMS?

AI-generated summary from verified user reviews

Pros
  • Users find Kixie PowerCall & SMS to be remarkably easy to use, enhancing productivity with seamless CRM integration and fast dialing.
  • Users highlight the helpful support from Kixie's team, ensuring prompt assistance and enhancing the overall experience.
  • Users praise Kixie for its excellent customer support, noting prompt responses and helpful assistance from the team.
  • Users highlight the time-saving features of Kixie, enabling rapid dialing and efficient follow-ups without hassle.
  • Users highlight the automation capabilities of Kixie PowerCall & SMS, boosting efficiency and streamlining communication effortlessly.
Cons
  • Users find the call issues frustrating due to limited functionality and lack of detailed call oversight.
  • Users experience number issues with Kixie, such as missing call histories and occasional call registration problems.
  • Users report issues with contact management inefficiencies, such as syncing delays and limited call history visibility.
  • Users note a lack of missed features like ringless voicemail and customizable reporting, impacting user experience.
  • Users experience connection issues that disrupt functionality, though most are resolved promptly after a reset.

What Are Recent G2 Reviews of Kixie PowerCall & SMS?

What Are G2 Users Discussing About Kixie PowerCall & SMS?

Twilio

Today's leading companies trust Twilio's Customer Engagement Platform (CEP) to build direct, personalized relationships with their customers everywhere in the world. Twilio enables companies to use communications and data to add intelligence and security to every step of the customer journey, from sales to marketing to growth, customer service and many more engagement use cases in a flexible, programmatic way. Across 180 countries, millions of developers and hundreds of thousands of businesses use Twilio to create magical experiences for their customers.

Average Rating: 4.1/5.0

Total Reviews: 459

How Do G2 Users Rate Twilio?

  • Has the product been a good partner in doing business?: 8.0/10 (Category avg: 8.8/10)
  • Phone Calls: 9.6/10 (Category avg: 9.1/10)
  • VOiP Number: 8.3/10 (Category avg: 9.0/10)

Who Is the Company Behind Twilio?

  • Seller: Twilio
  • Company Website:
  • Year Founded: 2008
  • HQ Location: San Francisco, CA
  • Twitter: @twilio
    81,644 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    7,801 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: CEO, Senior Software Engineer
  • Top Industries: Computer Software, Information Technology and Services
  • Company Size: 50% Small, 31% Medium

What Do G2 Reviewers Say About Twilio?

AI-generated summary from verified user reviews

Pros
  • Users highlight the ease of use of Twilio, facilitating quick decision-making and seamless integration with systems.
  • Users commend Twilio for its easy integrations, enhancing communication workflows and improving overall business efficiency.
  • Users value Twilio's extensive integrations, making it easy to connect and implement across various applications effortlessly.
  • Users value Twilio for its easy setup, enabling seamless integration into various applications with minimal effort.
  • Users highlight Twilio's easy API integration with CRM systems, enhancing communication and workflow efficiency.
Cons
  • Users find Twilio's pricing to be too expensive, especially challenging for small-scale startups despite the service quality.
  • Users report poor customer support from Twilio, with slow responses affecting overall user experience and satisfaction.
  • Users find the difficult configuration of Twilio challenging, especially for those without programming skills or technical knowledge.
  • Users find the complex setup for advanced features like IVR and multi-channel workflows challenging for smaller teams.
  • Users find the technical knowledge required for Twilio essential, making it challenging for non-developers to utilize effectively.

What Are Recent G2 Reviews of Twilio?

What Are G2 Users Discussing About Twilio?

Neeraja Prakash
NP
Researched and written by Neeraja Prakash
Updated April 9, 2026